Exposed tree roots can damage sidewalks and foundations, become a tripping hazard, and make lawn mowing difficult. Learn how ...

You might be used to the feeling of Earth under your feet, but did you know that there’s soil high above your head? Way up in the treetops, where ferns, mosses, flowers, and even trees grow on top of ...

Covering a tree's roots above ground can limit the tree's access to oxygen and moisture which helps them grow and stay healthy. Avoid cutting, trimming, or removing tree roots because it can make the ...

We all know what tree line is in Colorado: the point above which trees don’t grow. But what determines tree line: Cold? Soil conditions? Precipitation? And is tree line different in various parts of ...